The
image is a cross section of a 5 percent carbon-doped wire
taken with polarized light. The picture shows all of the small,
~10-micron-sized grains lit up in wonderful colors. (Photo courtesy
of the U.S. Dept. of Energy's Ames Laboratory)
For larger or high resolution image, contact Kerry Gibson
at 515-294-1405 or kgibson@ameslab.gov
